391256320

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3359}}^1$

素因数の和:3400

約数の個数: 144

約数和(自身を含む): 1153797120

約数和(自身を除く): 762540800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 256, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1280, 1456, 1664, 1792, 1820, 2080, 2240, 2912, 3328, 3359, 3640, 4160, 4480, 5824, 6718, 7280, 8320, 8960, 11648, 13436, 14560, 16640, 16795, 23296, 23513, 26872, 29120, 33590, 43667, 47026, 53744, 58240, 67180, 87334, 94052, 107488, 116480, 117565, 134360, 174668, 188104, 214976, 218335, 235130, 268720, 305669, 349336, 376208, 429952, 436670, 470260, 537440, 611338, 698672, 752416, 859904, 873340, 940520, 1074880, 1222676, 1397344, 1504832, 1528345, 1746680, 1881040, 2149760, 2445352, 2794688, 3009664, 3056690, 3493360, 3762080, 4299520, 4890704, 5589376, 6019328, 6113380, 6986720, 7524160, 9781408, 11178752, 12226760, 13973440, 15048320, 19562816, 24453520, 27946880, 30096640, 39125632, 48907040, 55893760, 78251264, 97814080, 195628160, 391256320]

約数ペア:

[(1, 391256320), (2, 195628160), (4, 97814080), (5, 78251264), (7, 55893760), (8, 48907040), (10, 39125632), (13, 30096640), (14, 27946880), (16, 24453520), (20, 19562816), (26, 15048320), (28, 13973440), (32, 12226760), (35, 11178752), (40, 9781408), (52, 7524160), (56, 6986720), (64, 6113380), (65, 6019328), (70, 5589376), (80, 4890704), (91, 4299520), (104, 3762080), (112, 3493360), (128, 3056690), (130, 3009664), (140, 2794688), (160, 2445352), (182, 2149760), (208, 1881040), (224, 1746680), (256, 1528345), (260, 1504832), (280, 1397344), (320, 1222676), (364, 1074880), (416, 940520), (448, 873340), (455, 859904), (520, 752416), (560, 698672), (640, 611338), (728, 537440), (832, 470260), (896, 436670), (910, 429952), (1040, 376208), (1120, 349336), (1280, 305669), (1456, 268720), (1664, 235130), (1792, 218335), (1820, 214976), (2080, 188104), (2240, 174668), (2912, 134360), (3328, 117565), (3359, 116480), (3640, 107488), (4160, 94052), (4480, 87334), (5824, 67180), (6718, 58240), (7280, 53744), (8320, 47026), (8960, 43667), (11648, 33590), (13436, 29120), (14560, 26872), (16640, 23513), (16795, 23296)]